4785157620 has 240 divisors, whose sum is σ = 15982686720. Its totient is φ = 1194310656.

The previous prime is 4785157607. The next prime is 4785157633. The reversal of 4785157620 is 267515874.

4785157620 is a `hidden beast` number, since 4 + 7 + 8 + 5 + 15 + 7 + 620 = 666.

It is an interprime number because it is at equal distance from previous prime (4785157607) and next prime (4785157633).

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 79 ways as a sum of consecutive naturals, for example, 6581697 + ... + 6582423.

It is an arithmetic number, because the mean of its divisors is an integer number (66594528).

Almost surely, 2^4785157620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4785157620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7991343360).

4785157620 is an abundant number, since it is smaller than the sum of its proper divisors (11197529100).

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

4785157620 is a wasteful number, since it uses less digits than its factorization.

4785157620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 4785157620 is about 69174.8337186292. The cubic root of 4785157620 is about 1685.1248481781.

The spelling of 4785157620 in words is "four billion, seven hundred eighty-five million, one hundred fifty-seven thousand, six hundred twenty".