1384617864490 has 32 divisors (see below), whose sum is σ = 2870784774144. Its totient is φ = 470988120960.

The previous prime is 1384617864449. The next prime is 1384617864499. The reversal of 1384617864490 is 944687164831.

It is not an unprimeable number, because it can be changed into a prime (1384617864499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77866131 + ... + 77883910.

It is an arithmetic number, because the mean of its divisors is an integer number (89712024192).

Almost surely, 2^{1384617864490} is an apocalyptic number.

1384617864490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1384617864490 is an abundant number, since it is smaller than the sum of its proper divisors (1486166909654).

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

1384617864490 is a wasteful number, since it uses less digits than its factorization.

1384617864490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155750182.

The product of its (nonzero) digits is 27869184, while the sum is 61.

The spelling of 1384617864490 in words is "one trillion, three hundred eighty-four billion, six hundred seventeen million, eight hundred sixty-four thousand, four hundred ninety".