1945201376 has 48 divisors (see below), whose sum is σ = 3930707088. Its totient is φ = 947020800.

The previous prime is 1945201373. The next prime is 1945201393. The reversal of 1945201376 is 6731025491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1945201373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866111 + ... + 868353.

It is an arithmetic number, because the mean of its divisors is an integer number (81889731).

Almost surely, 2^1945201376 is an apocalyptic number.

1945201376 is a gapful number since it is divisible by the number (16) 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 1945201376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1965353544).

1945201376 is an abundant number, since it is smaller than the sum of its proper divisors (1985505712).

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

1945201376 is a wasteful number, since it uses less digits than its factorization.

1945201376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955 (or 2947 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 1945201376 is about 44104.4371463915. The cubic root of 1945201376 is about 1248.3073358250.

The spelling of 1945201376 in words is "one billion, nine hundred forty-five million, two hundred one thousand, three hundred seventy-six".