2451453504240 has 80 divisors (see below), whose sum is σ = 8184083247648. Its totient is φ = 603434707968.

The previous prime is 2451453504233. The next prime is 2451453504289. The reversal of 2451453504240 is 424053541542.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392858019 + ... + 392864258.

Almost surely, 2^{2451453504240} is an apocalyptic number.

2451453504240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2451453504240 is an abundant number, since it is smaller than the sum of its proper divisors (5732629743408).

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

2451453504240 is a wasteful number, since it uses less digits than its factorization.

2451453504240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785722306 (or 785722300 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

The spelling of 2451453504240 in words is "two trillion, four hundred fifty-one billion, four hundred fifty-three million, five hundred four thousand, two hundred forty".