6415832841990 has 256 divisors, whose sum is σ = 18579609861120. Its totient is φ = 1397098321920.

The previous prime is 6415832841959. The next prime is 6415832841991. The reversal of 6415832841990 is 991482385146.

It is a super-2 number, since 2×6415832841990² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6415832841991) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 49557784 + ... + 49687076.

It is an arithmetic number, because the mean of its divisors is an integer number (72576601020).

Almost surely, 2^{6415832841990} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6415832841990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9289804930560).

6415832841990 is an abundant number, since it is smaller than the sum of its proper divisors (12163777019130).

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

6415832841990 is a wasteful number, since it uses less digits than its factorization.

6415832841990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129639.

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 6415832841990 in words is "six trillion, four hundred fifteen billion, eight hundred thirty-two million, eight hundred forty-one thousand, nine hundred ninety".