400101472 has 48 divisors (see below), whose sum is σ = 803325600. Its totient is φ = 196116480.

The previous prime is 400101463. The next prime is 400101497. The reversal of 400101472 is 274101004.

It is a congruent number.

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, 519904 + ... + 520672.

It is an arithmetic number, because the mean of its divisors is an integer number (16735950).

Almost surely, 2^400101472 is an apocalyptic number.

It is an amenable number.

400101472 is an abundant number, since it is smaller than the sum of its proper divisors (403224128).

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

400101472 is a wasteful number, since it uses less digits than its factorization.

400101472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 400101472 is about 20002.5366391365. The cubic root of 400101472 is about 736.8685988011.

Adding to 400101472 its reverse (274101004), we get a palindrome (674202476).

The spelling of 400101472 in words is "four hundred million, one hundred one thousand, four hundred seventy-two".