245431500400 has 60 divisors (see below), whose sum is σ = 615286123632. Its totient is φ = 93904222720.

The previous prime is 245431500383. The next prime is 245431500427. The reversal of 245431500400 is 4005134542.

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, 13329469 + ... + 13347868.

Almost surely, 2^245431500400 is an apocalyptic number.

245431500400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245431500400 is an abundant number, since it is smaller than the sum of its proper divisors (369854623232).

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

245431500400 is a wasteful number, since it uses less digits than its factorization.

245431500400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26677378 (or 26677367 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 245431500400 its reverse (4005134542), we get a palindrome (249436634942).

The spelling of 245431500400 in words is "two hundred forty-five billion, four hundred thirty-one million, five hundred thousand, four hundred".