100401488 has 20 divisors (see below), whose sum is σ = 212212608. Its totient is φ = 45636960.

The previous prime is 100401487. The next prime is 100401493. The reversal of 100401488 is 884104001.

It is a super-2 number, since 2×100401488² = 20160917585228288, which contains 22 as substring.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100401487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285056 + ... + 285407.

Almost surely, 2^100401488 is an apocalyptic number.

It is an amenable number.

100401488 is an abundant number, since it is smaller than the sum of its proper divisors (111811120).

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

100401488 is a wasteful number, since it uses less digits than its factorization.

100401488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570482 (or 570476 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 100401488 is about 10020.0542912701. The cubic root of 100401488 is about 464.7792346278.

Adding to 100401488 its reverse (884104001), we get a palindrome (984505489).

The spelling of 100401488 in words is "one hundred million, four hundred one thousand, four hundred eighty-eight".