2270400825138 has 64 divisors (see below), whose sum is σ = 4895413137792. Its totient is φ = 699360353280.

The previous prime is 2270400825137. The next prime is 2270400825151. The reversal of 2270400825138 is 8315280040722.

It is a super-2 number, since 2×2270400825138² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2270400825138.

It is not an unprimeable number, because it can be changed into a prime (2270400825137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3178920 + ... + 3827052.

It is an arithmetic number, because the mean of its divisors is an integer number (76490830278).

Almost surely, 2^{2270400825138} is an apocalyptic number.

2270400825138 is an abundant number, since it is smaller than the sum of its proper divisors (2625012312654).

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

2270400825138 is a wasteful number, since it uses less digits than its factorization.

2270400825138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648779.

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 2270400825138 in words is "two trillion, two hundred seventy billion, four hundred million, eight hundred twenty-five thousand, one hundred thirty-eight".