10651940 has 48 divisors (see below), whose sum is σ = 24576048. Its totient is φ = 3853824.

The previous prime is 10651937. The next prime is 10651981. The reversal of 10651940 is 4915601.

It can be written as a sum of positive squares in 8 ways, for example, as 1747684 + 8904256 = 1322^2 + 2984^2 .

It is a super-2 number, since 2×10651940² = 226927651527200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13394 + ... + 14166.

It is an arithmetic number, because the mean of its divisors is an integer number (512001).

Almost surely, 2^10651940 is an apocalyptic number.

10651940 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 10651940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12288024).

10651940 is an abundant number, since it is smaller than the sum of its proper divisors (13924108).

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

10651940 is a wasteful number, since it uses less digits than its factorization.

10651940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 10651940 is about 3263.7309938167. The cubic root of 10651940 is about 220.0271316401.

The spelling of 10651940 in words is "ten million, six hundred fifty-one thousand, nine hundred forty".