100040250 has 32 divisors (see below), whose sum is σ = 249702336. Its totient is φ = 26677200.

The previous prime is 100040249. The next prime is 100040251. The reversal of 100040250 is 52040001.

It is an interprime number because it is at equal distance from previous prime (100040249) and next prime (100040251).

It is not an unprimeable number, because it can be changed into a prime (100040251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65944 + ... + 67443.

It is an arithmetic number, because the mean of its divisors is an integer number (7803198).

Almost surely, 2^100040250 is an apocalyptic number.

100040250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100040250 is an abundant number, since it is smaller than the sum of its proper divisors (149662086).

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

100040250 is a wasteful number, since it uses less digits than its factorization.

100040250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133407 (or 133397 counting only the distinct ones).

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

The square root of 100040250 is about 10002.0122975329. The cubic root of 100040250 is about 464.2211496581.

Adding to 100040250 its reverse (52040001), we get a palindrome (152080251).

The spelling of 100040250 in words is "one hundred million, forty thousand, two hundred fifty".