40307232642 has 32 divisors (see below), whose sum is σ = 83959369344. Its totient is φ = 12888489600.

The previous prime is 40307232593. The next prime is 40307232653. The reversal of 40307232642 is 24623270304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1262859 + ... + 1294382.

It is an arithmetic number, because the mean of its divisors is an integer number (2623730292).

Almost surely, 2^40307232642 is an apocalyptic number.

40307232642 is an abundant number, since it is smaller than the sum of its proper divisors (43652136702).

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

40307232642 is a wasteful number, since it uses less digits than its factorization.

40307232642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557354.

The product of its (nonzero) digits is 48384, while the sum is 33.

The spelling of 40307232642 in words is "forty billion, three hundred seven million, two hundred thirty-two thousand, six hundred forty-two".