400264054 has 4 divisors (see below), whose sum is σ = 600396084. Its totient is φ = 200132026.

The previous prime is 400264049. The next prime is 400264091. The reversal of 400264054 is 450462004.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×400264054² = 320422625849029832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100066012 + ... + 100066015.

It is an arithmetic number, because the mean of its divisors is an integer number (150099021).

Almost surely, 2^400264054 is an apocalyptic number.

400264054 is a deficient number, since it is larger than the sum of its proper divisors (200132030).

400264054 is a wasteful number, since it uses less digits than its factorization.

400264054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200132029.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 400264054 is about 20006.6002609139. The cubic root of 400264054 is about 736.9683946074.

The spelling of 400264054 in words is "four hundred million, two hundred sixty-four thousand, fifty-four".