10101040 has 40 divisors (see below), whose sum is σ = 24248448. Its totient is φ = 3909120.

The previous prime is 10101023. The next prime is 10101079. The reversal of 10101040 is 4010101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444 + ... + 4516.

Almost surely, 2^10101040 is an apocalyptic number.

10101040 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 10101040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12124224).

10101040 is an abundant number, since it is smaller than the sum of its proper divisors (14147408).

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

10101040 is a wasteful number, since it uses less digits than its factorization.

10101040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117 (or 4111 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 10101040 is about 3178.2133345639. The cubic root of 10101040 is about 216.1666523667.

Adding to 10101040 its reverse (4010101), we get a palindrome (14111141).

The spelling of 10101040 in words is "ten million, one hundred one thousand, forty".