2391478850552 has 32 divisors (see below), whose sum is σ = 4960557936000. Its totient is φ = 1071725474400.

The previous prime is 2391478850543. The next prime is 2391478850561. The reversal of 2391478850552 is 2550588741932.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2391478850543) and next prime (2391478850561).

It is a junction number, because it is equal to n+sod(n) for n = 2391478850491 and 2391478850500.

It is a congruent number.

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, 191373302 + ... + 191385797.

It is an arithmetic number, because the mean of its divisors is an integer number (155017435500).

Almost surely, 2^{2391478850552} is an apocalyptic number.

2391478850552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2391478850552 is an abundant number, since it is smaller than the sum of its proper divisors (2569079085448).

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

2391478850552 is a wasteful number, since it uses less digits than its factorization.

2391478850552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382759187 (or 382759183 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 59.

The spelling of 2391478850552 in words is "two trillion, three hundred ninety-one billion, four hundred seventy-eight million, eight hundred fifty thousand, five hundred fifty-two".