245000421536 has 48 divisors (see below), whose sum is σ = 520945284384. Its totient is φ = 112751180544.

The previous prime is 245000421511. The next prime is 245000421559. The reversal of 245000421536 is 635124000542.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704270 + ... + 992973.

It is an arithmetic number, because the mean of its divisors is an integer number (10853026758).

Almost surely, 2^245000421536 is an apocalyptic number.

245000421536 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

245000421536 is an abundant number, since it is smaller than the sum of its proper divisors (275944862848).

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

245000421536 is a wasteful number, since it uses less digits than its factorization.

245000421536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697613 (or 1697605 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 245000421536 in words is "two hundred forty-five billion, four hundred twenty-one thousand, five hundred thirty-six".