400150424 has 16 divisors (see below), whose sum is σ = 764439120. Its totient is φ = 196300000.

The previous prime is 400150417. The next prime is 400150427. The reversal of 400150424 is 424051004.

It is a junction number, because it is equal to n+sod(n) for n = 400150396 and 400150405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400150427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471452 + ... + 472299.

It is an arithmetic number, because the mean of its divisors is an integer number (47777445).

Almost surely, 2^400150424 is an apocalyptic number.

It is an amenable number.

400150424 is a deficient number, since it is larger than the sum of its proper divisors (364288696).

400150424 is a wasteful number, since it uses less digits than its factorization.

400150424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943810 (or 943806 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 400150424 is about 20003.7602465137. The cubic root of 400150424 is about 736.8986492784.

The spelling of 400150424 in words is "four hundred million, one hundred fifty thousand, four hundred twenty-four".