4220499780 has 72 divisors (see below), whose sum is σ = 14631070272. Its totient is φ = 964685376.

The previous prime is 4220499721. The next prime is 4220499799. The reversal of 4220499780 is 879940224.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1673542 + ... + 1676061.

Almost surely, 2^4220499780 is an apocalyptic number.

It is an amenable number.

4220499780 is an abundant number, since it is smaller than the sum of its proper divisors (10410570492).

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

4220499780 is a wasteful number, since it uses less digits than its factorization.

4220499780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349625 (or 3349620 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 4220499780 is about 64965.3737001489. The cubic root of 4220499780 is about 1616.0493814151.

The spelling of 4220499780 in words is "four billion, two hundred twenty million, four hundred ninety-nine thousand, seven hundred eighty".