40125100 has 36 divisors (see below), whose sum is σ = 92197224. Its totient is φ = 15105280.

The previous prime is 40125097. The next prime is 40125103. The reversal of 40125100 is 152104.

It is an interprime number because it is at equal distance from previous prime (40125097) and next prime (40125103).

It is a super-2 number, since 2×40125100² = 3220047300020000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40125103) 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, 10102 + ... + 13501.

It is an arithmetic number, because the mean of its divisors is an integer number (2561034).

Almost surely, 2^40125100 is an apocalyptic number.

It is an amenable number.

40125100 is an abundant number, since it is smaller than the sum of its proper divisors (52072124).

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

40125100 is a wasteful number, since it uses less digits than its factorization.

40125100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23634 (or 23627 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 40125100 is about 6334.4376230254. The cubic root of 40125100 is about 342.3513482822.

Adding to 40125100 its reverse (152104), we get a palindrome (40277204).

The spelling of 40125100 in words is "forty million, one hundred twenty-five thousand, one hundred".