245447221432 has 48 divisors (see below), whose sum is σ = 536570298000. Its totient is φ = 104951976192.

The previous prime is 245447221427. The next prime is 245447221483. The reversal of 245447221432 is 234122744542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 541057 + ... + 885232.

It is an arithmetic number, because the mean of its divisors is an integer number (11178547875).

Almost surely, 2^245447221432 is an apocalyptic number.

It is an amenable number.

245447221432 is an abundant number, since it is smaller than the sum of its proper divisors (291123076568).

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

245447221432 is a wasteful number, since it uses less digits than its factorization.

245447221432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426748 (or 1426737 counting only the distinct ones).

The product of its digits is 430080, while the sum is 40.

Adding to 245447221432 its reverse (234122744542), we get a palindrome (479569965974).

The spelling of 245447221432 in words is "two hundred forty-five billion, four hundred forty-seven million, two hundred twenty-one thousand, four hundred thirty-two".