421262045755 has 16 divisors (see below), whose sum is σ = 510696407520. Its totient is φ = 333560650752.

The previous prime is 421262045749. The next prime is 421262045777. The reversal of 421262045755 is 557540262124.

It is a cyclic number.

It is not a de Polignac number, because 421262045755 - 2²⁵ = 421228491323 is a prime.

It is a super-2 number, since 2×421262045755² (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 15 ways as a sum of consecutive naturals, for example, 245131 + ... + 950059.

It is an arithmetic number, because the mean of its divisors is an integer number (31918525470).

Almost surely, 2^421262045755 is an apocalyptic number.

421262045755 is a deficient number, since it is larger than the sum of its proper divisors (89434361765).

421262045755 is a wasteful number, since it uses less digits than its factorization.

421262045755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706158.

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 421262045755 in words is "four hundred twenty-one billion, two hundred sixty-two million, forty-five thousand, seven hundred fifty-five".