40001475736 has 16 divisors (see below), whose sum is σ = 75026482200. Its totient is φ = 19994413824.

The previous prime is 40001475727. The next prime is 40001475737. The reversal of 40001475736 is 63757410004.

It is a super-2 number, since 2×40001475736² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40001475695 and 40001475704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40001475737) 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, 763570 + ... + 814273.

Almost surely, 2^40001475736 is an apocalyptic number.

It is an amenable number.

40001475736 is a deficient number, since it is larger than the sum of its proper divisors (35025006464).

40001475736 is a wasteful number, since it uses less digits than its factorization.

40001475736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581018 (or 1581014 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 40001475736 in words is "forty billion, one million, four hundred seventy-five thousand, seven hundred thirty-six".