115400464 has 10 divisors (see below), whose sum is σ = 223588430. Its totient is φ = 57700224.

The previous prime is 115400431. The next prime is 115400497. The reversal of 115400464 is 464004511.

It is an interprime number because it is at equal distance from previous prime (115400431) and next prime (115400497).

It can be written as a sum of positive squares in only one way, i.e., 114318864 + 1081600 = 10692^2 + 1040^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3606249 + ... + 3606280.

It is an arithmetic number, because the mean of its divisors is an integer number (22358843).

Almost surely, 2^115400464 is an apocalyptic number.

It is an amenable number.

115400464 is a deficient number, since it is larger than the sum of its proper divisors (108187966).

115400464 is an equidigital number, since it uses as much as digits as its factorization.

115400464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7212537 (or 7212531 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 115400464 is about 10742.4607981598. The cubic root of 115400464 is about 486.8582327929.

Adding to 115400464 its reverse (464004511), we get a palindrome (579404975).

The spelling of 115400464 in words is "one hundred fifteen million, four hundred thousand, four hundred sixty-four".