2420862156 has 36 divisors (see below), whose sum is σ = 6137068392. Its totient is φ = 804624384.

The previous prime is 2420862151. The next prime is 2420862163. The reversal of 2420862156 is 6512680242.

It is a happy number.

2420862156 is a `hidden beast` number, since 2 + 4 + 20 + 8 + 621 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2420862156.

It is not an unprimeable number, because it can be changed into a prime (2420862151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84405 + ... + 109388.

It is an arithmetic number, because the mean of its divisors is an integer number (170474122).

Almost surely, 2^2420862156 is an apocalyptic number.

It is an amenable number.

2420862156 is an abundant number, since it is smaller than the sum of its proper divisors (3716206236).

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

2420862156 is a wasteful number, since it uses less digits than its factorization.

2420862156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194150 (or 194145 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 2420862156 is about 49202.2576311291. The cubic root of 2420862156 is about 1342.7341064644.

The spelling of 2420862156 in words is "two billion, four hundred twenty million, eight hundred sixty-two thousand, one hundred fifty-six".