747338139240 has 384 divisors, whose sum is σ = 2849166213120. Its totient is φ = 155072064000.

The previous prime is 747338139239. The next prime is 747338139269. The reversal of 747338139240 is 42931833747.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 48049465 + ... + 48065015.

It is an arithmetic number, because the mean of its divisors is an integer number (7419703680).

Almost surely, 2^747338139240 is an apocalyptic number.

747338139240 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 747338139240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1424583106560).

747338139240 is an abundant number, since it is smaller than the sum of its proper divisors (2101828073880).

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

747338139240 is a wasteful number, since it uses less digits than its factorization.

747338139240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16333 (or 16322 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 51.

The spelling of 747338139240 in words is "seven hundred forty-seven billion, three hundred thirty-eight million, one hundred thirty-nine thousand, two hundred forty".