40523064 has 32 divisors (see below), whose sum is σ = 101527440. Its totient is φ = 13478400.

The previous prime is 40523057. The next prime is 40523069. The reversal of 40523064 is 46032504.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40523069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11424 + ... + 14544.

Almost surely, 2^40523064 is an apocalyptic number.

It is an amenable number.

40523064 is an abundant number, since it is smaller than the sum of its proper divisors (61004376).

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

40523064 is a wasteful number, since it uses less digits than its factorization.

40523064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671 (or 3667 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 40523064 is about 6365.7728517439. The cubic root of 40523064 is about 343.4794497515.

Adding to 40523064 its reverse (46032504), we get a palindrome (86555568).

The spelling of 40523064 in words is "forty million, five hundred twenty-three thousand, sixty-four".