40102354 has 16 divisors (see below), whose sum is σ = 63825408. Its totient is φ = 18832192.

The previous prime is 40102351. The next prime is 40102357. The reversal of 40102354 is 45320104.

It is an interprime number because it is at equal distance from previous prime (40102351) and next prime (40102357).

It is not an unprimeable number, because it can be changed into a prime (40102351) 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, 21087 + ... + 22909.

It is an arithmetic number, because the mean of its divisors is an integer number (3989088).

Almost surely, 2^40102354 is an apocalyptic number.

40102354 is a deficient number, since it is larger than the sum of its proper divisors (23723054).

40102354 is a wasteful number, since it uses less digits than its factorization.

40102354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40102354 is about 6332.6419447179. The cubic root of 40102354 is about 342.2866456756.

Adding to 40102354 its reverse (45320104), we get a palindrome (85422458).

The spelling of 40102354 in words is "forty million, one hundred two thousand, three hundred fifty-four".