147537469440 has 616 divisors, whose sum is σ = 539806022748. Its totient is φ = 38698352640.

The previous prime is 147537469439. The next prime is 147537469451. The reversal of 147537469440 is 44964735741.

147537469440 is a `hidden beast` number, since 1 + 4 + 7 + 537 + 4 + 69 + 4 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 127946428416 + 19591041024 = 357696^2 + 139968^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 2418647010 + ... + 2418647070.

Almost surely, 2^147537469440 is an apocalyptic number.

147537469440 is a gapful number since it is divisible by the number (10) 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 147537469440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269903011374).

147537469440 is an abundant number, since it is smaller than the sum of its proper divisors (392268553308).

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

147537469440 is an frugal number, since it uses more digits than its factorization.

147537469440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 147537469440 in words is "one hundred forty-seven billion, five hundred thirty-seven million, four hundred sixty-nine thousand, four hundred forty".