10540390 has 40 divisors (see below), whose sum is σ = 22183920. Its totient is φ = 3605616.

The previous prime is 10540381. The next prime is 10540423. The reversal of 10540390 is 9304501.

It is a super-2 number, since 2×10540390² = 222199642704200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23791 + ... + 24229.

It is an arithmetic number, because the mean of its divisors is an integer number (554598).

Almost surely, 2^10540390 is an apocalyptic number.

10540390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10540390 is an abundant number, since it is smaller than the sum of its proper divisors (11643530).

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

10540390 is an frugal number, since it uses more digits than its factorization.

10540390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 10540390 is about 3246.5966796016. The cubic root of 10540390 is about 219.2563735830.

Adding to 10540390 its reverse (9304501), we get a palindrome (19844891).

The spelling of 10540390 in words is "ten million, five hundred forty thousand, three hundred ninety".