40550274 has 32 divisors (see below), whose sum is σ = 90704640. Its totient is φ = 13427856.

The previous prime is 40550273. The next prime is 40550309. The reversal of 40550274 is 47205504.

40550274 is a `hidden beast` number, since 40 + 550 + 2 + 74 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (40550273) 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, 6087 + ... + 10869.

It is an arithmetic number, because the mean of its divisors is an integer number (2834520).

Almost surely, 2^40550274 is an apocalyptic number.

40550274 is an abundant number, since it is smaller than the sum of its proper divisors (50154366).

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

40550274 is a wasteful number, since it uses less digits than its factorization.

40550274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4951 (or 4945 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 40550274 is about 6367.9097041337. The cubic root of 40550274 is about 343.5563112045.

Adding to 40550274 its reverse (47205504), we get a palindrome (87755778).

The spelling of 40550274 in words is "forty million, five hundred fifty thousand, two hundred seventy-four".