40774284 has 36 divisors (see below), whose sum is σ = 104023920. Its totient is φ = 13465440.

The previous prime is 40774249. The next prime is 40774289. The reversal of 40774284 is 48247704.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (40774289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1272 + ... + 9119.

Almost surely, 2^40774284 is an apocalyptic number.

It is an amenable number.

40774284 is an abundant number, since it is smaller than the sum of its proper divisors (63249636).

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

40774284 is a wasteful number, since it uses less digits than its factorization.

40774284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10510 (or 10505 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 40774284 is about 6385.4744537896. The cubic root of 40774284 is about 344.1877805668.

It can be divided in two parts, 407 and 74284, that added together give a triangular number (74691 = T₃₈₆).

The spelling of 40774284 in words is "forty million, seven hundred seventy-four thousand, two hundred eighty-four".