4156698420 has 108 divisors (see below), whose sum is σ = 14667238404. Its totient is φ = 950100480.

The previous prime is 4156698409. The next prime is 4156698439. The reversal of 4156698420 is 248966514.

4156698420 is a `hidden beast` number, since 4 + 1 + 566 + 9 + 84 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1646087184 + 2510611236 = 40572^2 + 50106^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 226821 + ... + 244460.

It is an arithmetic number, because the mean of its divisors is an integer number (135807763).

Almost surely, 2^4156698420 is an apocalyptic number.

It is an amenable number.

4156698420 is an abundant number, since it is smaller than the sum of its proper divisors (10510539984).

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

4156698420 is a wasteful number, since it uses less digits than its factorization.

4156698420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471310 (or 471298 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 4156698420 is about 64472.4624936880. The cubic root of 4156698420 is about 1607.8647181430.

The spelling of 4156698420 in words is "four billion, one hundred fifty-six million, six hundred ninety-eight thousand, four hundred twenty".