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40021414312 = 2311454788799
BaseRepresentation
bin100101010001011101…
…100101000110101000
310211022011100111102011
4211101131211012220
51123430440224222
630215141445304
72614524260125
oct452135450650
9124264314364
1040021414312
1115a78054a20
12790b110834
133a0a63c659
141d1938374c
151093816c77
hex9517651a8

40021414312 has 16 divisors (see below), whose sum is σ = 81861984000. Its totient is φ = 18191551920.

The previous prime is 40021414289. The next prime is 40021414361. The reversal of 40021414312 is 21341412004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227394312 + ... + 227394487.

It is an arithmetic number, because the mean of its divisors is an integer number (5116374000).

Almost surely, 240021414312 is an apocalyptic number.

It is an amenable number.

40021414312 is an abundant number, since it is smaller than the sum of its proper divisors (41840569688).

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

40021414312 is a wasteful number, since it uses less digits than its factorization.

40021414312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454788816 (or 454788812 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 40021414312 its reverse (21341412004), we get a palindrome (61362826316).

The spelling of 40021414312 in words is "forty billion, twenty-one million, four hundred fourteen thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 454788799 909577598 1819155196 3638310392 5002676789 10005353578 20010707156 40021414312