40149324 has 48 divisors (see below), whose sum is σ = 105285600. Its totient is φ = 13229568.

The previous prime is 40149287. The next prime is 40149331. The reversal of 40149324 is 42394104.

It is a super-2 number, since 2×40149324² = 3223936435313952, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7524 + ... + 11700.

It is an arithmetic number, because the mean of its divisors is an integer number (2193450).

Almost surely, 2^40149324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40149324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52642800).

40149324 is an abundant number, since it is smaller than the sum of its proper divisors (65136276).

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

40149324 is a wasteful number, since it uses less digits than its factorization.

40149324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279 (or 4271 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 40149324 is about 6336.3494221831. The cubic root of 40149324 is about 342.4202282828.

The spelling of 40149324 in words is "forty million, one hundred forty-nine thousand, three hundred twenty-four".