47531402628 has 12 divisors (see below), whose sum is σ = 110906606160. Its totient is φ = 15843800872.

The previous prime is 47531402627. The next prime is 47531402641. The reversal of 47531402628 is 82620413574.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 47531402628.

It is not an unprimeable number, because it can be changed into a prime (47531402627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1980475098 + ... + 1980475121.

It is an arithmetic number, because the mean of its divisors is an integer number (9242217180).

Almost surely, 2^47531402628 is an apocalyptic number.

It is an amenable number.

47531402628 is an abundant number, since it is smaller than the sum of its proper divisors (63375203532).

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

47531402628 is a wasteful number, since it uses less digits than its factorization.

47531402628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960950226 (or 3960950224 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 47531402628 in words is "forty-seven billion, five hundred thirty-one million, four hundred two thousand, six hundred twenty-eight".