40371577612 has 12 divisors (see below), whose sum is σ = 71544568480. Its totient is φ = 19930272336.

The previous prime is 40371577583. The next prime is 40371577621. The reversal of 40371577612 is 21677517304.

It is a happy number.

It is a super-3 number, since 3×40371577612³ (a number of 33 digits) contains 333 as substring.

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, 63878763 + ... + 63879394.

Almost surely, 2^40371577612 is an apocalyptic number.

It is an amenable number.

40371577612 is a deficient number, since it is larger than the sum of its proper divisors (31172990868).

40371577612 is a wasteful number, since it uses less digits than its factorization.

40371577612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127758240 (or 127758238 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 40371577612 in words is "forty billion, three hundred seventy-one million, five hundred seventy-seven thousand, six hundred twelve".