40036400364 has 24 divisors (see below), whose sum is σ = 94244981040. Its totient is φ = 13227364864.

The previous prime is 40036400353. The next prime is 40036400389. The reversal of 40036400364 is 46300463004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14761329 + ... + 14764040.

It is an arithmetic number, because the mean of its divisors is an integer number (3926874210).

Almost surely, 2^40036400364 is an apocalyptic number.

It is an amenable number.

40036400364 is an abundant number, since it is smaller than the sum of its proper divisors (54208580676).

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

40036400364 is a wasteful number, since it uses less digits than its factorization.

40036400364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29525489 (or 29525487 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 40036400364 its reverse (46300463004), we get a palindrome (86336863368).

The spelling of 40036400364 in words is "forty billion, thirty-six million, four hundred thousand, three hundred sixty-four".