36652540 has 36 divisors (see below), whose sum is σ = 79575048. Its totient is φ = 14180640.

The previous prime is 36652537. The next prime is 36652559. The reversal of 36652540 is 4525663.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18267 + ... + 20173.

It is an arithmetic number, because the mean of its divisors is an integer number (2210418).

Almost surely, 2^36652540 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 36652540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39787524).

36652540 is an abundant number, since it is smaller than the sum of its proper divisors (42922508).

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

36652540 is a wasteful number, since it uses less digits than its factorization.

36652540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978 (or 1945 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 36652540 is about 6054.1341247118. The cubic root of 36652540 is about 332.1758274149.

The spelling of 36652540 in words is "thirty-six million, six hundred fifty-two thousand, five hundred forty".