40146254 has 4 divisors (see below), whose sum is σ = 60219384. Its totient is φ = 20073126.

The previous prime is 40146251. The next prime is 40146269. The reversal of 40146254 is 45264104.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×40146254² = 3223443420465032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40146251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10036562 + ... + 10036565.

It is an arithmetic number, because the mean of its divisors is an integer number (15054846).

Almost surely, 2^40146254 is an apocalyptic number.

40146254 is a deficient number, since it is larger than the sum of its proper divisors (20073130).

40146254 is a wasteful number, since it uses less digits than its factorization.

40146254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20073129.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 40146254 is about 6336.1071644978. The cubic root of 40146254 is about 342.4115003907.

The spelling of 40146254 in words is "forty million, one hundred forty-six thousand, two hundred fifty-four".