1979226004 has 48 divisors (see below), whose sum is σ = 4014864000. Its totient is φ = 836240256.

The previous prime is 1979225999. The next prime is 1979226023. The reversal of 1979226004 is 4006229791.

It is a congruent number.

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, 578202 + ... + 581614.

It is an arithmetic number, because the mean of its divisors is an integer number (83643000).

Almost surely, 2^1979226004 is an apocalyptic number.

1979226004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1979226004 is an abundant number, since it is smaller than the sum of its proper divisors (2035637996).

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

1979226004 is a wasteful number, since it uses less digits than its factorization.

1979226004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712 (or 3710 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1979226004 is about 44488.4929391860. The cubic root of 1979226004 is about 1255.5435927066.

It can be divided in two parts, 19792 and 26004, that added together give a square (45796 = 214²).

The spelling of 1979226004 in words is "one billion, nine hundred seventy-nine million, two hundred twenty-six thousand, four".