420250354000 has 40 divisors (see below), whose sum is σ = 1016165360808. Its totient is φ = 168100140800.

The previous prime is 420250353997. The next prime is 420250354001. The reversal of 420250354000 is 453052024.

It can be written as a sum of positive squares in 4 ways, for example, as 11095672896 + 409154681104 = 105336^2 + 639652^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×420250354000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420250354001) 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, 105060589 + ... + 105064588.

Almost surely, 2^420250354000 is an apocalyptic number.

420250354000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420250354000 is an abundant number, since it is smaller than the sum of its proper divisors (595915006808).

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

420250354000 is a wasteful number, since it uses less digits than its factorization.

420250354000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210125200 (or 210125184 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The spelling of 420250354000 in words is "four hundred twenty billion, two hundred fifty million, three hundred fifty-four thousand".