6406140022455 has 16 divisors (see below), whose sum is σ = 10250455068000. Its totient is φ = 3416397667968.

The previous prime is 6406140022423. The next prime is 6406140022463. The reversal of 6406140022455 is 5542200416046.

It is not a de Polignac number, because 6406140022455 - 2⁵ = 6406140022423 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12894580 + ... + 13382169.

It is an arithmetic number, because the mean of its divisors is an integer number (640653441750).

Almost surely, 2^{6406140022455} is an apocalyptic number.

6406140022455 is a deficient number, since it is larger than the sum of its proper divisors (3844315045545).

6406140022455 is a wasteful number, since it uses less digits than its factorization.

6406140022455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26293010.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 6406140022455 in words is "six trillion, four hundred six billion, one hundred forty million, twenty-two thousand, four hundred fifty-five".