36661140 has 48 divisors (see below), whose sum is σ = 114058560. Its totient is φ = 9776160.

The previous prime is 36661123. The next prime is 36661153. The reversal of 36661140 is 4116663.

It is a super-4 number, since 4×36661140⁴ (a number of 31 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33406 + ... + 34485.

It is an arithmetic number, because the mean of its divisors is an integer number (2376220).

Almost surely, 2^36661140 is an apocalyptic number.

36661140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36661140 is an abundant number, since it is smaller than the sum of its proper divisors (77397420).

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

36661140 is a wasteful number, since it uses less digits than its factorization.

36661140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67909 (or 67901 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 36661140 is about 6054.8443415170. The cubic root of 36661140 is about 332.2018055028.

The spelling of 36661140 in words is "thirty-six million, six hundred sixty-one thousand, one hundred forty".