1034654640 has 80 divisors (see below), whose sum is σ = 3224365056. Its totient is φ = 274451200.

The previous prime is 1034654627. The next prime is 1034654641. The reversal of 1034654640 is 464564301.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1034654641) 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 15 ways as a sum of consecutive naturals, for example, 34555 + ... + 57125.

Almost surely, 2^1034654640 is an apocalyptic number.

1034654640 is a gapful number since it is divisible by the number (10) 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 1034654640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612182528).

1034654640 is an abundant number, since it is smaller than the sum of its proper divisors (2189710416).

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

1034654640 is a wasteful number, since it uses less digits than its factorization.

1034654640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22778 (or 22772 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 1034654640 is about 32166.0479387817. The cubic root of 1034654640 is about 1011.4206195824.

The spelling of 1034654640 in words is "one billion, thirty-four million, six hundred fifty-four thousand, six hundred forty".