6620150442 has 32 divisors (see below), whose sum is σ = 13366887552. Its totient is φ = 2185691904.

The previous prime is 6620150431. The next prime is 6620150461. The reversal of 6620150442 is 2440510266.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366843 + ... + 384465.

It is an arithmetic number, because the mean of its divisors is an integer number (417715236).

Almost surely, 2^6620150442 is an apocalyptic number.

6620150442 is an abundant number, since it is smaller than the sum of its proper divisors (6746737110).

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

6620150442 is a wasteful number, since it uses less digits than its factorization.

6620150442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18222.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 6620150442 is about 81364.3069287756. The cubic root of 6620150442 is about 1877.6844929024.

The spelling of 6620150442 in words is "six billion, six hundred twenty million, one hundred fifty thousand, four hundred forty-two".