111400464 has 40 divisors (see below), whose sum is σ = 328897600. Its totient is φ = 31828608.

The previous prime is 111400433. The next prime is 111400517. The reversal of 111400464 is 464004111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 111400464.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165439 + ... + 166110.

It is an arithmetic number, because the mean of its divisors is an integer number (8222440).

Almost surely, 2^111400464 is an apocalyptic number.

111400464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

111400464 is an abundant number, since it is smaller than the sum of its proper divisors (217497136).

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

111400464 is a wasteful number, since it uses less digits than its factorization.

111400464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331567 (or 331561 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 111400464 is about 10554.6418224400. The cubic root of 111400464 is about 481.1668141146.

Adding to 111400464 its reverse (464004111), we get a palindrome (575404575).

The spelling of 111400464 in words is "one hundred eleven million, four hundred thousand, four hundred sixty-four".