1942177408 has 64 divisors (see below), whose sum is σ = 4049579520. Its totient is φ = 926069760.

The previous prime is 1942177403. The next prime is 1942177409. The reversal of 1942177408 is 8047712491.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (1942177403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238641 + ... + 1240207.

It is an arithmetic number, because the mean of its divisors is an integer number (63274680).

Almost surely, 2^1942177408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1942177408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2024789760).

1942177408 is an abundant number, since it is smaller than the sum of its proper divisors (2107402112).

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

1942177408 is a wasteful number, since it uses less digits than its factorization.

1942177408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025 (or 2013 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 1942177408 is about 44070.1419103683. The cubic root of 1942177408 is about 1247.6601364705.

Adding to 1942177408 its reverse (8047712491), we get a palindrome (9989889899).

The spelling of 1942177408 in words is "one billion, nine hundred forty-two million, one hundred seventy-seven thousand, four hundred eight".