2451505531040 has 48 divisors (see below), whose sum is σ = 5791845501288. Its totient is φ = 980574498816.

The previous prime is 2451505530959. The next prime is 2451505531049. The reversal of 2451505531040 is 401355051542.

It can be written as a sum of positive squares in 4 ways, for example, as 2323905118096 + 127600412944 = 1524436^2 + 357212^2 .

It is not an unprimeable number, because it can be changed into a prime (2451505531049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6022604 + ... + 6416756.

Almost surely, 2^{2451505531040} is an apocalyptic number.

2451505531040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2451505531040 is an abundant number, since it is smaller than the sum of its proper divisors (3340339970248).

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

2451505531040 is a wasteful number, since it uses less digits than its factorization.

2451505531040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433041 (or 433033 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 2451505531040 in words is "two trillion, four hundred fifty-one billion, five hundred five million, five hundred thirty-one thousand, forty".