36397040 has 80 divisors (see below), whose sum is σ = 89565696. Its totient is φ = 13728000.

The previous prime is 36397033. The next prime is 36397079. The reversal of 36397040 is 4079363.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 36396988 and 36397006.

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, 240965 + ... + 241115.

Almost surely, 2^36397040 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 36397040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44782848).

36397040 is an abundant number, since it is smaller than the sum of its proper divisors (53168656).

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

36397040 is a wasteful number, since it uses less digits than its factorization.

36397040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 36397040 is about 6032.9959390008. The cubic root of 36397040 is about 331.4021757190.

The spelling of 36397040 in words is "thirty-six million, three hundred ninety-seven thousand, forty".