40432852388 has 12 divisors (see below), whose sum is σ = 70801809372. Its totient is φ = 20203764000.

The previous prime is 40432852387. The next prime is 40432852409. The reversal of 40432852388 is 88325823404.

It can be written as a sum of positive squares in 2 ways, for example, as 14061690724 + 26371161664 = 118582^2 + 162392^2 .

It is not an unprimeable number, because it can be changed into a prime (40432852387) 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, 3158363 + ... + 3171138.

It is an arithmetic number, because the mean of its divisors is an integer number (5900150781).

Almost surely, 2^40432852388 is an apocalyptic number.

It is an amenable number.

40432852388 is a deficient number, since it is larger than the sum of its proper divisors (30368956984).

40432852388 is a wasteful number, since it uses less digits than its factorization.

40432852388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6331102 (or 6331100 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 40432852388 in words is "forty billion, four hundred thirty-two million, eight hundred fifty-two thousand, three hundred eighty-eight".