40147507690 has 32 divisors (see below), whose sum is σ = 72504383040. Its totient is φ = 16006012800.

The previous prime is 40147507657. The next prime is 40147507703. The reversal of 40147507690 is 9670574104.

It is a super-2 number, since 2×40147507690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3926685 + ... + 3936895.

It is an arithmetic number, because the mean of its divisors is an integer number (2265761970).

Almost surely, 2^40147507690 is an apocalyptic number.

40147507690 is a deficient number, since it is larger than the sum of its proper divisors (32356875350).

40147507690 is a wasteful number, since it uses less digits than its factorization.

40147507690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11478.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 40147507690 in words is "forty billion, one hundred forty-seven million, five hundred seven thousand, six hundred ninety".