1954134464 has 42 divisors (see below), whose sum is σ = 4053733320. Its totient is φ = 934569856.

The previous prime is 1954134461. The next prime is 1954134499. The reversal of 1954134464 is 4644314591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954134461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4997 + ... + 62715.

It is an arithmetic number, because the mean of its divisors is an integer number (96517460).

Almost surely, 2^1954134464 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 1954134464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2026866660).

1954134464 is an abundant number, since it is smaller than the sum of its proper divisors (2099598856).

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

1954134464 is an equidigital number, since it uses as much as digits as its factorization.

1954134464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57777 (or 57744 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 1954134464 is about 44205.5931302816. The cubic root of 1954134464 is about 1250.2153152294.

The spelling of 1954134464 in words is "one billion, nine hundred fifty-four million, one hundred thirty-four thousand, four hundred sixty-four".