40502100 has 36 divisors (see below), whose sum is σ = 117186944. Its totient is φ = 10800480.

The previous prime is 40502081. The next prime is 40502101. The reversal of 40502100 is 120504.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40502101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67204 + ... + 67803.

Almost surely, 2^40502100 is an apocalyptic number.

It is an amenable number.

40502100 is an abundant number, since it is smaller than the sum of its proper divisors (76684844).

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

40502100 is a wasteful number, since it uses less digits than its factorization.

40502100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135024 (or 135017 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 40502100 is about 6364.1260201225. The cubic root of 40502100 is about 343.4202082187.

Adding to 40502100 its reverse (120504), we get a palindrome (40622604).

The spelling of 40502100 in words is "forty million, five hundred two thousand, one hundred".