47246991540 has 48 divisors (see below), whose sum is σ = 151190374272. Its totient is φ = 10799312256.

The previous prime is 47246991479. The next prime is 47246991541. The reversal of 47246991540 is 4519964274.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47246991541) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 56245999 + ... + 56246838.

It is an arithmetic number, because the mean of its divisors is an integer number (3149799464).

Almost surely, 2^47246991540 is an apocalyptic number.

It is an amenable number.

47246991540 is an abundant number, since it is smaller than the sum of its proper divisors (103943382732).

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

47246991540 is a wasteful number, since it uses less digits than its factorization.

47246991540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112492856 (or 112492854 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 47246991540 in words is "forty-seven billion, two hundred forty-six million, nine hundred ninety-one thousand, five hundred forty".