1045926644 has 48 divisors (see below), whose sum is σ = 2183328000. Its totient is φ = 428929536.

The previous prime is 1045926641. The next prime is 1045926647. The reversal of 1045926644 is 4466295401.

It is an interprime number because it is at equal distance from previous prime (1045926641) and next prime (1045926647).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045926641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86057 + ... + 97455.

It is an arithmetic number, because the mean of its divisors is an integer number (45486000).

Almost surely, 2^1045926644 is an apocalyptic number.

1045926644 is a gapful number since it is divisible by the number (14) 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 1045926644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1091664000).

1045926644 is an abundant number, since it is smaller than the sum of its proper divisors (1137401356).

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

1045926644 is a wasteful number, since it uses less digits than its factorization.

1045926644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11552 (or 11550 counting only the distinct ones).

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

The square root of 1045926644 is about 32340.7891678605. The cubic root of 1045926644 is about 1015.0803220508.

The spelling of 1045926644 in words is "one billion, forty-five million, nine hundred twenty-six thousand, six hundred forty-four".