2553374040040 has 32 divisors (see below), whose sum is σ = 5853489549480. Its totient is φ = 1002078867712.

The previous prime is 2553374040037. The next prime is 2553374040043. The reversal of 2553374040040 is 400404733552.

It is an interprime number because it is at equal distance from previous prime (2553374040037) and next prime (2553374040043).

It can be written as a sum of positive squares in 4 ways, for example, as 2158907139684 + 394466900356 = 1469322^2 + 628066^2 .

It is not an unprimeable number, because it can be changed into a prime (2553374040043) 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, 602208739 + ... + 602212978.

Almost surely, 2^{2553374040040} is an apocalyptic number.

2553374040040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2553374040040 is an abundant number, since it is smaller than the sum of its proper divisors (3300115509440).

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

2553374040040 is a wasteful number, since it uses less digits than its factorization.

2553374040040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204421781 (or 1204421777 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 37.

Adding to 2553374040040 its reverse (400404733552), we get a palindrome (2953778773592).

The spelling of 2553374040040 in words is "two trillion, five hundred fifty-three billion, three hundred seventy-four million, forty thousand, forty".