380888147640 has 1024 divisors, whose sum is σ = 1594117324800. Its totient is φ = 70236979200.

The previous prime is 380888147623. The next prime is 380888147663. The reversal of 380888147640 is 46741888083.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 867626541 + ... + 867626979.

It is an arithmetic number, because the mean of its divisors is an integer number (1556755200).

Almost surely, 2^380888147640 is an apocalyptic number.

380888147640 is a gapful number since it is divisible by the number (30) 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 380888147640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797058662400).

380888147640 is an abundant number, since it is smaller than the sum of its proper divisors (1213229177160).

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

380888147640 is a wasteful number, since it uses less digits than its factorization.

380888147640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 57.

The spelling of 380888147640 in words is "three hundred eighty billion, eight hundred eighty-eight million, one hundred forty-seven thousand, six hundred forty".