40302402 has 72 divisors (see below), whose sum is σ = 97705296. Its totient is φ = 11049696.

The previous prime is 40302391. The next prime is 40302407. The reversal of 40302402 is 20420304.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40302407) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 247173 + ... + 247335.

It is an arithmetic number, because the mean of its divisors is an integer number (1357018).

Almost surely, 2^40302402 is an apocalyptic number.

40302402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 40302402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48852648).

40302402 is an abundant number, since it is smaller than the sum of its proper divisors (57402894).

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

40302402 is a wasteful number, since it uses less digits than its factorization.

40302402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 40302402 is about 6348.4172830714. The cubic root of 40302402 is about 342.8548601535.

Adding to 40302402 its reverse (20420304), we get a palindrome (60722706).

It can be divided in two parts, 40302 and 402, that added together give a palindrome (40704).

The spelling of 40302402 in words is "forty million, three hundred two thousand, four hundred two".