1025426455020 has 144 divisors (see below), whose sum is σ = 3439712439072. Its totient is φ = 245182878720.

The previous prime is 1025426454979. The next prime is 1025426455073. The reversal of 1025426455020 is 205546245201.

1025426455020 is a `hidden beast` number, since 1 + 0 + 2 + 5 + 4 + 2 + 645 + 5 + 0 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3402667 + ... + 3691746.

It is an arithmetic number, because the mean of its divisors is an integer number (23886891938).

Almost surely, 2^{1025426455020} is an apocalyptic number.

1025426455020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025426455020 is an abundant number, since it is smaller than the sum of its proper divisors (2414285984052).

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

1025426455020 is a wasteful number, since it uses less digits than its factorization.

1025426455020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7094512 (or 7094507 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 1025426455020 in words is "one trillion, twenty-five billion, four hundred twenty-six million, four hundred fifty-five thousand, twenty".