1250020452040 has 64 divisors (see below), whose sum is σ = 2815626211200. Its totient is φ = 499460940288.

The previous prime is 1250020452007. The next prime is 1250020452067. The reversal of 1250020452040 is 402540200521.

It is a super-2 number, since 2×1250020452040² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1250020451996 and 1250020452014.

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, 200096197 + ... + 200102443.

It is an arithmetic number, because the mean of its divisors is an integer number (43994159550).

Almost surely, 2^{1250020452040} is an apocalyptic number.

1250020452040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250020452040 is an abundant number, since it is smaller than the sum of its proper divisors (1565605759160).

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

1250020452040 is a wasteful number, since it uses less digits than its factorization.

1250020452040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10934 (or 10930 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 1250020452040 its reverse (402540200521), we get a palindrome (1652560652561).

The spelling of 1250020452040 in words is "one trillion, two hundred fifty billion, twenty million, four hundred fifty-two thousand, forty".