400014155450 has 96 divisors (see below), whose sum is σ = 920521082880. Its totient is φ = 125934796800.

The previous prime is 400014155449. The next prime is 400014155461. The reversal of 400014155450 is 54551410004.

It is a super-2 number, since 2×400014155450² (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 47 ways as a sum of consecutive naturals, for example, 638906 + ... + 1099194.

It is an arithmetic number, because the mean of its divisors is an integer number (9588761280).

Almost surely, 2^400014155450 is an apocalyptic number.

400014155450 is an abundant number, since it is smaller than the sum of its proper divisors (520506927430).

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

400014155450 is a wasteful number, since it uses less digits than its factorization.

400014155450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460512 (or 460507 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 400014155450 its reverse (54551410004), we get a palindrome (454565565454).

The spelling of 400014155450 in words is "four hundred billion, fourteen million, one hundred fifty-five thousand, four hundred fifty".