10501440 has 56 divisors (see below), whose sum is σ = 33345120. Its totient is φ = 2800128.

The previous prime is 10501423. The next prime is 10501441. The reversal of 10501440 is 4410501.

It is a super-2 number, since 2×10501440² = 220560484147200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10501441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4510 + ... + 6429.

Almost surely, 2^10501440 is an apocalyptic number.

10501440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10501440 is an abundant number, since it is smaller than the sum of its proper divisors (22843680).

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

10501440 is a wasteful number, since it uses less digits than its factorization.

10501440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10959 (or 10949 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 10501440 is about 3240.5925384102. The cubic root of 10501440 is about 218.9859668663.

Adding to 10501440 its reverse (4410501), we get a palindrome (14911941).

The spelling of 10501440 in words is "ten million, five hundred one thousand, four hundred forty".