400927272 has 32 divisors (see below), whose sum is σ = 1003661280. Its totient is φ = 133463360.

The previous prime is 400927271. The next prime is 400927297. The reversal of 400927272 is 272729004.

It is a super-3 number, since 3×400927272³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (400927271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7747 + ... + 29357.

It is an arithmetic number, because the mean of its divisors is an integer number (31364415).

Almost surely, 2^400927272 is an apocalyptic number.

It is an amenable number.

400927272 is an abundant number, since it is smaller than the sum of its proper divisors (602734008).

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

400927272 is a wasteful number, since it uses less digits than its factorization.

400927272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22393 (or 22389 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 400927272 is about 20023.1683806534. The cubic root of 400927272 is about 737.3752102179.

The spelling of 400927272 in words is "four hundred million, nine hundred twenty-seven thousand, two hundred seventy-two".