2545034394672 has 400 divisors, whose sum is σ = 9202253280000. Its totient is φ = 659710241280.

The previous prime is 2545034394667. The next prime is 2545034394689. The reversal of 2545034394672 is 2764934305452.

2545034394672 is a `hidden beast` number, since 2 + 5 + 4 + 503 + 43 + 94 + 6 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 49770654 + ... + 49821762.

It is an arithmetic number, because the mean of its divisors is an integer number (23005633200).

Almost surely, 2^{2545034394672} is an apocalyptic number.

2545034394672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2545034394672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4601126640000).

2545034394672 is an abundant number, since it is smaller than the sum of its proper divisors (6657218885328).

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

2545034394672 is a wasteful number, since it uses less digits than its factorization.

2545034394672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51646 (or 51631 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 54.

The spelling of 2545034394672 in words is "two trillion, five hundred forty-five billion, thirty-four million, three hundred ninety-four thousand, six hundred seventy-two".