420452101054250 has 32 divisors (see below), whose sum is σ = 812476214903808. Its totient is φ = 162755652018000.

The previous prime is 420452101054213. The next prime is 420452101054261. The reversal of 420452101054250 is 52450101254024.

It is a super-2 number, since 2×420452101054250² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 420452101054250.

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, 27125934254 + ... + 27125949753.

It is an arithmetic number, because the mean of its divisors is an integer number (25389881715744).

Almost surely, 2^{420452101054250} is an apocalyptic number.

420452101054250 is a deficient number, since it is larger than the sum of its proper divisors (392024113849558).

420452101054250 is a wasteful number, since it uses less digits than its factorization.

420452101054250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54251884055 (or 54251884045 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 420452101054250 in words is "four hundred twenty trillion, four hundred fifty-two billion, one hundred one million, fifty-four thousand, two hundred fifty".