1252432450998 has 64 divisors (see below), whose sum is σ = 2904972595200. Its totient is φ = 399218846400.

The previous prime is 1252432450987. The next prime is 1252432451003. The reversal of 1252432450998 is 8990542342521.

1252432450998 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 43 + 2 + 4 + 509 + 98 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4547323 + ... + 4814873.

It is an arithmetic number, because the mean of its divisors is an integer number (45390196800).

Almost surely, 2^{1252432450998} is an apocalyptic number.

1252432450998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1252432450998 is an abundant number, since it is smaller than the sum of its proper divisors (1652540144202).

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

1252432450998 is a wasteful number, since it uses less digits than its factorization.

1252432450998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271354 (or 271348 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 1252432450998 in words is "one trillion, two hundred fifty-two billion, four hundred thirty-two million, four hundred fifty thousand, nine hundred ninety-eight".