400129150 has 24 divisors (see below), whose sum is σ = 756860040. Its totient is φ = 157337760.

The previous prime is 400129117. The next prime is 400129193. The reversal of 400129150 is 51921004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64869 + ... + 70768.

It is an arithmetic number, because the mean of its divisors is an integer number (31535835).

Almost surely, 2^400129150 is an apocalyptic number.

400129150 is a deficient number, since it is larger than the sum of its proper divisors (356730890).

400129150 is a wasteful number, since it uses less digits than its factorization.

400129150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135708 (or 135703 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 400129150 is about 20003.2284894214. The cubic root of 400129150 is about 736.8855899731.

The spelling of 400129150 in words is "four hundred million, one hundred twenty-nine thousand, one hundred fifty".