40274864 has 60 divisors (see below), whose sum is σ = 92788704. Its totient is φ = 16877952.

The previous prime is 40274827. The next prime is 40274869. The reversal of 40274864 is 46847204.

It is not an unprimeable number, because it can be changed into a prime (40274869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36302 + ... + 37394.

Almost surely, 2^40274864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40274864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46394352).

40274864 is an abundant number, since it is smaller than the sum of its proper divisors (52513840).

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

40274864 is a wasteful number, since it uses less digits than its factorization.

40274864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1149 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 40274864 is about 6346.2480254084. The cubic root of 40274864 is about 342.7767532425.

The spelling of 40274864 in words is "forty million, two hundred seventy-four thousand, eight hundred sixty-four".