4019990264 has 8 divisors (see below), whose sum is σ = 7537481760. Its totient is φ = 2009995128.

The previous prime is 4019990257. The next prime is 4019990281. The reversal of 4019990264 is 4620999104.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251249384 + ... + 251249399.

It is an arithmetic number, because the mean of its divisors is an integer number (942185220).

Almost surely, 2^4019990264 is an apocalyptic number.

It is an amenable number.

4019990264 is a deficient number, since it is larger than the sum of its proper divisors (3517491496).

4019990264 is a wasteful number, since it uses less digits than its factorization.

4019990264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502498789 (or 502498785 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 4019990264 is about 63403.3931584107. The cubic root of 4019990264 is about 1590.0410395114.

The spelling of 4019990264 in words is "four billion, nineteen million, nine hundred ninety thousand, two hundred sixty-four".