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40370870442 = 2378211170781
BaseRepresentation
bin100101100110010010…
…101001100010101010
310212012111220201002210
4211212102221202222
51130134420323232
630313543505550
72626266510510
oct454622514252
9125174821083
1040370870442
1116137338541
1279a81582b6
133a64b65126
141d4d94c4b0
1510b43445cc
hex9664a98aa

40370870442 has 32 divisors (see below), whose sum is σ = 92388749184. Its totient is φ = 11520475200.

The previous prime is 40370870437. The next prime is 40370870447. The reversal of 40370870442 is 24407807304.

It is an interprime number because it is at equal distance from previous prime (40370870437) and next prime (40370870447).

It is a self number, because there is not a number n which added to its sum of digits gives 40370870442.

It is not an unprimeable number, because it can be changed into a prime (40370870447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550909 + ... + 619872.

It is an arithmetic number, because the mean of its divisors is an integer number (2887148412).

Almost surely, 240370870442 is an apocalyptic number.

40370870442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40370870442 is an abundant number, since it is smaller than the sum of its proper divisors (52017878742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40370870442 is a wasteful number, since it uses less digits than its factorization.

40370870442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171614.

The product of its (nonzero) digits is 150528, while the sum is 39.

The spelling of 40370870442 in words is "forty billion, three hundred seventy million, eight hundred seventy thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 821 1642 2463 4926 5747 11494 17241 34482 1170781 2341562 3512343 7024686 8195467 16390934 24586401 49172802 961211201 1922422402 2883633603 5767267206 6728478407 13456956814 20185435221 40370870442