400400145010 has 64 divisors (see below), whose sum is σ = 753710137344. Its totient is φ = 152975044800.

The previous prime is 400400144993. The next prime is 400400145023. The reversal of 400400145010 is 10541004004.

It is a super-2 number, since 2×400400145010² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8966799 + ... + 9011341.

It is an arithmetic number, because the mean of its divisors is an integer number (11776720896).

Almost surely, 2^400400145010 is an apocalyptic number.

400400145010 is a deficient number, since it is larger than the sum of its proper divisors (353309992334).

400400145010 is a wasteful number, since it uses less digits than its factorization.

400400145010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44959.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 400400145010 its reverse (10541004004), we get a palindrome (410941149014).

The spelling of 400400145010 in words is "four hundred billion, four hundred million, one hundred forty-five thousand, ten".