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40907234488 = 235847787443
BaseRepresentation
bin100110000110010000…
…101101110010111000
310220120220011211020211
4212012100231302320
51132234223000423
630443104000504
72645501520211
oct460620556270
9126526154224
1040907234488
111639208180a
127b17900134
133b1c00cac3
141da0c8c408
1510e649210d
hex98642dcb8

40907234488 has 16 divisors (see below), whose sum is σ = 76703253480. Its totient is φ = 20453033568.

The previous prime is 40907234483. The next prime is 40907234509. The reversal of 40907234488 is 88443270904.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40907234483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424095 + ... + 511537.

Almost surely, 240907234488 is an apocalyptic number.

It is an amenable number.

40907234488 is a deficient number, since it is larger than the sum of its proper divisors (35796018992).

40907234488 is a wasteful number, since it uses less digits than its factorization.

40907234488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145926 (or 145922 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 40907234488 in words is "forty billion, nine hundred seven million, two hundred thirty-four thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 58477 87443 116954 174886 233908 349772 467816 699544 5113404311 10226808622 20453617244 40907234488