36564040 has 32 divisors (see below), whose sum is σ = 83047680. Its totient is φ = 14487232.

The previous prime is 36564023. The next prime is 36564049. The reversal of 36564040 is 4046563.

It is a super-2 number, since 2×36564040² = 2673858042243200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36564049) 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, 9 + ... + 8551.

It is an arithmetic number, because the mean of its divisors is an integer number (2595240).

Almost surely, 2^36564040 is an apocalyptic number.

It is an amenable number.

36564040 is an abundant number, since it is smaller than the sum of its proper divisors (46483640).

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

36564040 is a wasteful number, since it uses less digits than its factorization.

36564040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8661 (or 8657 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 36564040 is about 6046.8206522105. The cubic root of 36564040 is about 331.9082583887.

The spelling of 36564040 in words is "thirty-six million, five hundred sixty-four thousand, forty".