47951151240 has 128 divisors (see below), whose sum is σ = 145152000000. Its totient is φ = 12671785728.

The previous prime is 47951151197. The next prime is 47951151253. The reversal of 47951151240 is 4215115974.

It is a happy number.

It is a super-4 number, since 4×47951151240⁴ (a number of 44 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22843711 + ... + 22845809.

It is an arithmetic number, because the mean of its divisors is an integer number (1134000000).

Almost surely, 2^47951151240 is an apocalyptic number.

47951151240 is a gapful number since it is divisible by the number (40) 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 47951151240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72576000000).

47951151240 is an abundant number, since it is smaller than the sum of its proper divisors (97200848760).

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

47951151240 is a wasteful number, since it uses less digits than its factorization.

47951151240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739 (or 3735 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The spelling of 47951151240 in words is "forty-seven billion, nine hundred fifty-one million, one hundred fifty-one thousand, two hundred forty".