40722548 has 48 divisors (see below), whose sum is σ = 81385920. Its totient is φ = 17708544.

The previous prime is 40722541. The next prime is 40722559. The reversal of 40722548 is 84522704.

It is a super-2 number, since 2×40722548² = 3316651831224608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40722541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55190 + ... + 55922.

It is an arithmetic number, because the mean of its divisors is an integer number (1695540).

Almost surely, 2^40722548 is an apocalyptic number.

It is an amenable number.

40722548 is a deficient number, since it is larger than the sum of its proper divisors (40663372).

40722548 is a wasteful number, since it uses less digits than its factorization.

40722548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 40722548 is about 6381.4220985608. The cubic root of 40722548 is about 344.0421459990.

The spelling of 40722548 in words is "forty million, seven hundred twenty-two thousand, five hundred forty-eight".