400034110040 has 32 divisors (see below), whose sum is σ = 912753891360. Its totient is φ = 157759929600.

The previous prime is 400034110037. The next prime is 400034110051. The reversal of 400034110040 is 40011430004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70425701 + ... + 70431380.

It is an arithmetic number, because the mean of its divisors is an integer number (28523559105).

Almost surely, 2^400034110040 is an apocalyptic number.

400034110040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400034110040 is an abundant number, since it is smaller than the sum of its proper divisors (512719781320).

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

400034110040 is a wasteful number, since it uses less digits than its factorization.

400034110040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140857163 (or 140857159 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 400034110040 its reverse (40011430004), we get a palindrome (440045540044).

The spelling of 400034110040 in words is "four hundred billion, thirty-four million, one hundred ten thousand, forty".