2430878156452 has 12 divisors (see below), whose sum is σ = 4255913294640. Its totient is φ = 1214902929416.

The previous prime is 2430878156389. The next prime is 2430878156489. The reversal of 2430878156452 is 2546518780342.

It is a happy number.

It is a super-2 number, since 2×2430878156452² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2430878156393 and 2430878156402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134027002 + ... + 134045137.

It is an arithmetic number, because the mean of its divisors is an integer number (354659441220).

Almost surely, 2^{2430878156452} is an apocalyptic number.

It is an amenable number.

2430878156452 is a deficient number, since it is larger than the sum of its proper divisors (1825035138188).

2430878156452 is a wasteful number, since it uses less digits than its factorization.

2430878156452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268074410 (or 268074408 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 55.

The spelling of 2430878156452 in words is "two trillion, four hundred thirty billion, eight hundred seventy-eight million, one hundred fifty-six thousand, four hundred fifty-two".