400484080 has 40 divisors (see below), whose sum is σ = 932118912. Its totient is φ = 160022784.

The previous prime is 400483973. The next prime is 400484081. The reversal of 400484080 is 80484004.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400484081) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 94977 + ... + 99103.

Almost surely, 2^400484080 is an apocalyptic number.

400484080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400484080 is an abundant number, since it is smaller than the sum of its proper divisors (531634832).

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

400484080 is a wasteful number, since it uses less digits than its factorization.

400484080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353 (or 5347 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 400484080 is about 20012.0983407538. The cubic root of 400484080 is about 737.1034075683.

The spelling of 400484080 in words is "four hundred million, four hundred eighty-four thousand, eighty".