4915090179840 has 144 divisors (see below), whose sum is σ = 15700682245248. Its totient is φ = 1310430793728.

The previous prime is 4915090179809. The next prime is 4915090179919. The reversal of 4915090179840 is 489710905194.

It is a super-2 number, since 2×4915090179840² (a number of 26 digits) contains 22 as substring.

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, 19640139 + ... + 19888821.

It is an arithmetic number, because the mean of its divisors is an integer number (109032515592).

Almost surely, 2^{4915090179840} is an apocalyptic number.

4915090179840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4915090179840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7850341122624).

4915090179840 is an abundant number, since it is smaller than the sum of its proper divisors (10785592065408).

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

4915090179840 is a wasteful number, since it uses less digits than its factorization.

4915090179840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253854 (or 253840 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 4915090179840 in words is "four trillion, nine hundred fifteen billion, ninety million, one hundred seventy-nine thousand, eight hundred forty".