249063521952 has 96 divisors (see below), whose sum is σ = 749408429952. Its totient is φ = 70949781504.

The previous prime is 249063521951. The next prime is 249063521981. The reversal of 249063521952 is 259125360942.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (249063521951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323433 + ... + 776360.

It is an arithmetic number, because the mean of its divisors is an integer number (7806337812).

Almost surely, 2^249063521952 is an apocalyptic number.

It is an amenable number.

249063521952 is an abundant number, since it is smaller than the sum of its proper divisors (500344908000).

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

249063521952 is a wasteful number, since it uses less digits than its factorization.

249063521952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100150 (or 1100142 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 249063521952 in words is "two hundred forty-nine billion, sixty-three million, five hundred twenty-one thousand, nine hundred fifty-two".