1640050554 has 32 divisors (see below), whose sum is σ = 3493881216. Its totient is φ = 511439360.

The previous prime is 1640050519. The next prime is 1640050583. The reversal of 1640050554 is 4550500461.

1640050554 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 31107 + ... + 65174.

It is an arithmetic number, because the mean of its divisors is an integer number (109183788).

Almost surely, 2^1640050554 is an apocalyptic number.

1640050554 is an abundant number, since it is smaller than the sum of its proper divisors (1853830662).

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

1640050554 is a wasteful number, since it uses less digits than its factorization.

1640050554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96470.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1640050554 is about 40497.5376288485. The cubic root of 1640050554 is about 1179.2858251466.

The spelling of 1640050554 in words is "one billion, six hundred forty million, fifty thousand, five hundred fifty-four".