400554030 has 32 divisors (see below), whose sum is σ = 983689344. Its totient is φ = 104330016.

The previous prime is 400554001. The next prime is 400554047. The reversal of 400554030 is 30455004.

It is a happy number.

400554030 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 400553988 and 400554006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153964 + ... + 156543.

It is an arithmetic number, because the mean of its divisors is an integer number (30740292).

Almost surely, 2^400554030 is an apocalyptic number.

400554030 is an abundant number, since it is smaller than the sum of its proper divisors (583135314).

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

400554030 is a wasteful number, since it uses less digits than its factorization.

400554030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310560.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 400554030 is about 20013.8459572367. The cubic root of 400554030 is about 737.1463201203.

The spelling of 400554030 in words is "four hundred million, five hundred fifty-four thousand, thirty".