10210040 has 16 divisors (see below), whose sum is σ = 22972680. Its totient is φ = 4084000.

The previous prime is 10210033. The next prime is 10210061. The reversal of 10210040 is 4001201.

10210040 = 317² + 318² + ... + 396².

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127586 + ... + 127665.

Almost surely, 2^10210040 is an apocalyptic number.

10210040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210040 is an abundant number, since it is smaller than the sum of its proper divisors (12762640).

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

10210040 is a wasteful number, since it uses less digits than its factorization.

10210040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255262 (or 255258 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 10210040 is about 3195.3153209034. The cubic root of 10210040 is about 216.9414213250.

Adding to 10210040 its reverse (4001201), we get a palindrome (14211241).

The spelling of 10210040 in words is "ten million, two hundred ten thousand, forty".