60321431440 has 60 divisors (see below), whose sum is σ = 145250367444. Its totient is φ = 23296526848.

The previous prime is 60321431431. The next prime is 60321431479. The reversal of 60321431440 is 4413412306.

It can be written as a sum of positive squares in 6 ways, for example, as 10394210304 + 49927221136 = 101952^2 + 223444^2 .

It is a junction number, because it is equal to n+sod(n) for n = 60321431399 and 60321431408.

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, 381007 + ... + 515566.

Almost surely, 2^60321431440 is an apocalyptic number.

It is an amenable number.

60321431440 is an abundant number, since it is smaller than the sum of its proper divisors (84928936004).

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

60321431440 is a wasteful number, since it uses less digits than its factorization.

60321431440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896644 (or 896609 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 60321431440 its reverse (4413412306), we get a palindrome (64734843746).

The spelling of 60321431440 in words is "sixty billion, three hundred twenty-one million, four hundred thirty-one thousand, four hundred forty".