10149840 has 160 divisors (see below), whose sum is σ = 36188160. Its totient is φ = 2612736.

The previous prime is 10149823. The next prime is 10149869. The reversal of 10149840 is 4894101.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79857 + ... + 79983.

It is an arithmetic number, because the mean of its divisors is an integer number (226176).

Almost surely, 2^10149840 is an apocalyptic number.

10149840 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 10149840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18094080).

10149840 is an abundant number, since it is smaller than the sum of its proper divisors (26038320).

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

10149840 is a wasteful number, since it uses less digits than its factorization.

10149840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 10149840 is about 3185.8813537230. The cubic root of 10149840 is about 216.5142070123.

The spelling of 10149840 in words is "ten million, one hundred forty-nine thousand, eight hundred forty".