1942197480 has 128 divisors (see below), whose sum is σ = 6814800000. Its totient is φ = 490655232.

The previous prime is 1942197473. The next prime is 1942197503. The reversal of 1942197480 is 847912491.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26805 + ... + 67844.

It is an arithmetic number, because the mean of its divisors is an integer number (53240625).

Almost surely, 2^1942197480 is an apocalyptic number.

1942197480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1942197480 is an abundant number, since it is smaller than the sum of its proper divisors (4872602520).

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

1942197480 is a wasteful number, since it uses less digits than its factorization.

1942197480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94688 (or 94678 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1942197480 is about 44070.3696376602. The cubic root of 1942197480 is about 1247.6644345585.

The spelling of 1942197480 in words is "one billion, nine hundred forty-two million, one hundred ninety-seven thousand, four hundred eighty".