100519040 has 32 divisors (see below), whose sum is σ = 240304860. Its totient is φ = 40207360.

The previous prime is 100519021. The next prime is 100519087. The reversal of 100519040 is 40915001.

It can be written as a sum of positive squares in 2 ways, for example, as 99840064 + 678976 = 9992^2 + 824^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77891 + ... + 79170.

Almost surely, 2^100519040 is an apocalyptic number.

100519040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100519040 is an abundant number, since it is smaller than the sum of its proper divisors (139785820).

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

100519040 is an equidigital number, since it uses as much as digits as its factorization.

100519040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157080 (or 157068 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 100519040 is about 10025.9184117965. The cubic root of 100519040 is about 464.9605547147.

It can be divided in two parts, 10051 and 9040, that added together give a palindrome (19091).

The spelling of 100519040 in words is "one hundred million, five hundred nineteen thousand, forty".