4019553972 has 36 divisors (see below), whose sum is σ = 11612045536. Its totient is φ = 1148443920.

The previous prime is 4019553971. The next prime is 4019554003. The reversal of 4019553972 is 2793559104.

It is a happy number.

4019553972 is a `hidden beast` number, since 4 + 0 + 1 + 9 + 553 + 97 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4019553971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7975054 + ... + 7975557.

Almost surely, 2^4019553972 is an apocalyptic number.

4019553972 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4019553972 is an abundant number, since it is smaller than the sum of its proper divisors (7592491564).

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

4019553972 is a wasteful number, since it uses less digits than its factorization.

4019553972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15950628 (or 15950623 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 4019553972 is about 63399.9524605500. The cubic root of 4019553972 is about 1589.9835147217.

The spelling of 4019553972 in words is "four billion, nineteen million, five hundred fifty-three thousand, nine hundred seventy-two".