147008391440 has 40 divisors (see below), whose sum is σ = 359783698560. Its totient is φ = 55708442496.

The previous prime is 147008391407. The next prime is 147008391457. The reversal of 147008391440 is 44193800741.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×147008391440² (a number of 23 digits) contains 22 as substring.

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, 48356504 + ... + 48359543.

It is an arithmetic number, because the mean of its divisors is an integer number (8994592464).

Almost surely, 2^147008391440 is an apocalyptic number.

147008391440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147008391440 is an abundant number, since it is smaller than the sum of its proper divisors (212775307120).

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

147008391440 is a wasteful number, since it uses less digits than its factorization.

147008391440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96716079 (or 96716073 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 147008391440 in words is "one hundred forty-seven billion, eight million, three hundred ninety-one thousand, four hundred forty".