1975115380 has 24 divisors (see below), whose sum is σ = 4740277248. Its totient is φ = 677182368.

The previous prime is 1975115333. The next prime is 1975115407. The reversal of 1975115380 is 835115791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7053844 + ... + 7054123.

It is an arithmetic number, because the mean of its divisors is an integer number (197511552).

Almost surely, 2^1975115380 is an apocalyptic number.

1975115380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1975115380 is an abundant number, since it is smaller than the sum of its proper divisors (2765161868).

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

1975115380 is a wasteful number, since it uses less digits than its factorization.

1975115380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14107983 (or 14107981 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 40.

The square root of 1975115380 is about 44442.2701940394. The cubic root of 1975115380 is about 1254.6737838817.

The spelling of 1975115380 in words is "one billion, nine hundred seventy-five million, one hundred fifteen thousand, three hundred eighty".