554400040 has 16 divisors (see below), whose sum is σ = 1247400180. Its totient is φ = 221760000.

The previous prime is 554400037. The next prime is 554400043. The reversal of 554400040 is 40004455.

It is an interprime number because it is at equal distance from previous prime (554400037) and next prime (554400043).

It can be written as a sum of positive squares in 2 ways, for example, as 519566436 + 34833604 = 22794^2 + 5902^2 .

It is a junction number, because it is equal to n+sod(n) for n = 554399984 and 554400020.

It is not an unprimeable number, because it can be changed into a prime (554400043) 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, 6929961 + ... + 6930040.

Almost surely, 2^554400040 is an apocalyptic number.

It is an amenable number.

554400040 is an abundant number, since it is smaller than the sum of its proper divisors (693000140).

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

554400040 is a wasteful number, since it uses less digits than its factorization.

554400040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13860012 (or 13860008 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 554400040 is about 23545.7010938303. The cubic root of 554400040 is about 821.5003465521.

Adding to 554400040 its reverse (40004455), we get a palindrome (594404495).

The spelling of 554400040 in words is "five hundred fifty-four million, four hundred thousand, forty".