40020600 has 48 divisors (see below), whose sum is σ = 124065720. Its totient is φ = 10672000.

The previous prime is 40020599. The next prime is 40020611. The reversal of 40020600 is 602004.

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

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

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, 32751 + ... + 33950.

Almost surely, 2^40020600 is an apocalyptic number.

40020600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40020600 is an abundant number, since it is smaller than the sum of its proper divisors (84045120).

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

40020600 is a wasteful number, since it uses less digits than its factorization.

40020600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66720 (or 66711 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 40020600 is about 6326.1836837069. The cubic root of 40020600 is about 342.0538884340.

Adding to 40020600 its reverse (602004), we get a palindrome (40622604).

The spelling of 40020600 in words is "forty million, twenty thousand, six hundred".