40219254 has 20 divisors (see below), whose sum is σ = 90121284. Its totient is φ = 13406364.

The previous prime is 40219253. The next prime is 40219271. The reversal of 40219254 is 45291204.

40219254 is a `hidden beast` number, since 402 + 1 + 9 + 254 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40219253) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 123972 + ... + 124295.

Almost surely, 2^40219254 is an apocalyptic number.

40219254 is an abundant number, since it is smaller than the sum of its proper divisors (49902030).

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

40219254 is a wasteful number, since it uses less digits than its factorization.

40219254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248281 (or 248272 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 40219254 is about 6341.8651830514. The cubic root of 40219254 is about 342.6189162083.

The spelling of 40219254 in words is "forty million, two hundred nineteen thousand, two hundred fifty-four".