40423098 has 16 divisors (see below), whose sum is σ = 84361536. Its totient is φ = 12888480.

The previous prime is 40423091. The next prime is 40423099. The reversal of 40423098 is 89032404.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40423091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146323 + ... + 146598.

It is an arithmetic number, because the mean of its divisors is an integer number (5272596).

Almost surely, 2^40423098 is an apocalyptic number.

40423098 is an abundant number, since it is smaller than the sum of its proper divisors (43938438).

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

40423098 is a wasteful number, since it uses less digits than its factorization.

40423098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292949.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 40423098 is about 6357.9161680538. The cubic root of 40423098 is about 343.1967750090.

It can be divided in two parts, 4042 and 3098, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 40423098 in words is "forty million, four hundred twenty-three thousand, ninety-eight".