2495210850640 has 40 divisors (see below), whose sum is σ = 5813787938400. Its totient is φ = 995947099776.

The previous prime is 2495210850599. The next prime is 2495210850653. The reversal of 2495210850640 is 460580125942.

It is a tau number, because it is divible by the number of its divisors (40).

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, 33356790 + ... + 33431509.

It is an arithmetic number, because the mean of its divisors is an integer number (145344698460).

Almost surely, 2^{2495210850640} is an apocalyptic number.

2495210850640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2495210850640 is an abundant number, since it is smaller than the sum of its proper divisors (3318577087760).

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

2495210850640 is a wasteful number, since it uses less digits than its factorization.

2495210850640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66788779 (or 66788773 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 2495210850640 in words is "two trillion, four hundred ninety-five billion, two hundred ten million, eight hundred fifty thousand, six hundred forty".