400429060 has 48 divisors (see below), whose sum is σ = 854332416. Its totient is φ = 157635072.

The previous prime is 400429031. The next prime is 400429061. The reversal of 400429060 is 60924004.

It is not an unprimeable number, because it can be changed into a prime (400429061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367837 + ... + 368923.

It is an arithmetic number, because the mean of its divisors is an integer number (17798592).

Almost surely, 2^400429060 is an apocalyptic number.

It is an amenable number.

400429060 is an abundant number, since it is smaller than the sum of its proper divisors (453903356).

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

400429060 is a wasteful number, since it uses less digits than its factorization.

400429060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372 (or 1370 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 400429060 is about 20010.7236250966. The cubic root of 400429060 is about 737.0696506818.

The spelling of 400429060 in words is "four hundred million, four hundred twenty-nine thousand, sixty".