40249548 has 96 divisors (see below), whose sum is σ = 109105920. Its totient is φ = 12982032.

The previous prime is 40249537. The next prime is 40249567. The reversal of 40249548 is 84594204.

It is a super-2 number, since 2×40249548² = 3240052228408608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 376111 + ... + 376217.

It is an arithmetic number, because the mean of its divisors is an integer number (1136520).

Almost surely, 2^40249548 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 40249548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54552960).

40249548 is an abundant number, since it is smaller than the sum of its proper divisors (68856372).

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

40249548 is a wasteful number, since it uses less digits than its factorization.

40249548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 40249548 is about 6344.2531475344. The cubic root of 40249548 is about 342.7049172446.

The spelling of 40249548 in words is "forty million, two hundred forty-nine thousand, five hundred forty-eight".