1945104432 has 40 divisors (see below), whose sum is σ = 5027022000. Its totient is φ = 648088320.

The previous prime is 1945104407. The next prime is 1945104433. The reversal of 1945104432 is 2344015491.

It is a junction number, because it is equal to n+sod(n) for n = 1945104393 and 1945104402.

It is not an unprimeable number, because it can be changed into a prime (1945104433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124582 + ... + 139322.

It is an arithmetic number, because the mean of its divisors is an integer number (125675550).

Almost surely, 2^1945104432 is an apocalyptic number.

1945104432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1945104432 is an abundant number, since it is smaller than the sum of its proper divisors (3081917568).

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

1945104432 is a wasteful number, since it uses less digits than its factorization.

1945104432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17501 (or 17495 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1945104432 is about 44103.3381049553. The cubic root of 1945104432 is about 1248.2865979692.

The spelling of 1945104432 in words is "one billion, nine hundred forty-five million, one hundred four thousand, four hundred thirty-two".