40396100 has 72 divisors (see below), whose sum is σ = 92160768. Its totient is φ = 15350400.

The previous prime is 40396079. The next prime is 40396129. The reversal of 40396100 is 169304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257222 + ... + 257378.

Almost surely, 2^40396100 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 40396100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46080384).

40396100 is an abundant number, since it is smaller than the sum of its proper divisors (51764668).

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

40396100 is a wasteful number, since it uses less digits than its factorization.

40396100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 40396100 is about 6355.7926334958. The cubic root of 40396100 is about 343.1203526123.

The spelling of 40396100 in words is "forty million, three hundred ninety-six thousand, one hundred".