115400400454 has 32 divisors (see below), whose sum is σ = 179011828800. Its totient is φ = 55752064128.

The previous prime is 115400400431. The next prime is 115400400461. The reversal of 115400400454 is 454004004511.

It is a super-2 number, since 2×115400400454² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15283072 + ... + 15290620.

It is an arithmetic number, because the mean of its divisors is an integer number (5594119650).

Almost surely, 2^115400400454 is an apocalyptic number.

115400400454 is a deficient number, since it is larger than the sum of its proper divisors (63611428346).

115400400454 is a wasteful number, since it uses less digits than its factorization.

115400400454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8992.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 115400400454 its reverse (454004004511), we get a palindrome (569404404965).

The spelling of 115400400454 in words is "one hundred fifteen billion, four hundred million, four hundred thousand, four hundred fifty-four".