35402040 has 96 divisors (see below), whose sum is σ = 119059200. Its totient is φ = 9112320.

The previous prime is 35402023. The next prime is 35402047. The reversal of 35402040 is 4020453.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35402047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8745 + ... + 12135.

It is an arithmetic number, because the mean of its divisors is an integer number (1240200).

Almost surely, 2^35402040 is an apocalyptic number.

35402040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 35402040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59529600).

35402040 is an abundant number, since it is smaller than the sum of its proper divisors (83657160).

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

35402040 is a wasteful number, since it uses less digits than its factorization.

35402040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437 (or 3430 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 35402040 is about 5949.9613444122. The cubic root of 35402040 is about 328.3543414342.

Adding to 35402040 its reverse (4020453), we get a palindrome (39422493).

The spelling of 35402040 in words is "thirty-five million, four hundred two thousand, forty".