12400406162490 has 16 divisors (see below), whose sum is σ = 29760974790048. Its totient is φ = 3306774976656.

The previous prime is 12400406162467. The next prime is 12400406162491. The reversal of 12400406162490 is 9426160400421.

It is not an unprimeable number, because it can be changed into a prime (12400406162491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206673436012 + ... + 206673436071.

It is an arithmetic number, because the mean of its divisors is an integer number (1860060924378).

Almost surely, 2^{12400406162490} is an apocalyptic number.

12400406162490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12400406162490 is an abundant number, since it is smaller than the sum of its proper divisors (17360568627558).

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

12400406162490 is a wasteful number, since it uses less digits than its factorization.

12400406162490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413346872093.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 12400406162490 in words is "twelve trillion, four hundred billion, four hundred six million, one hundred sixty-two thousand, four hundred ninety".