40511652 has 24 divisors (see below), whose sum is σ = 95133696. Its totient is φ = 13417248.

The previous prime is 40511641. The next prime is 40511657. The reversal of 40511652 is 25611504.

It is not an unprimeable number, because it can be changed into a prime (40511657) 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, 8868 + ... + 12635.

It is an arithmetic number, because the mean of its divisors is an integer number (3963904).

Almost surely, 2^40511652 is an apocalyptic number.

It is an amenable number.

40511652 is an abundant number, since it is smaller than the sum of its proper divisors (54622044).

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

40511652 is a wasteful number, since it uses less digits than its factorization.

40511652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21667 (or 21665 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 40511652 is about 6364.8764324219. The cubic root of 40511652 is about 343.4472034608.

The spelling of 40511652 in words is "forty million, five hundred eleven thousand, six hundred fifty-two".