35138302440 has 128 divisors (see below), whose sum is σ = 110074809600. Its totient is φ = 8956569600.

The previous prime is 35138302427. The next prime is 35138302453. The reversal of 35138302440 is 4420383153.

It is an interprime number because it is at equal distance from previous prime (35138302427) and next prime (35138302453).

It is a super-3 number, since 3×35138302440³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4967226 + ... + 4974294.

It is an arithmetic number, because the mean of its divisors is an integer number (859959450).

Almost surely, 2^35138302440 is an apocalyptic number.

35138302440 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 35138302440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55037404800).

35138302440 is an abundant number, since it is smaller than the sum of its proper divisors (74936507160).

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

35138302440 is a wasteful number, since it uses less digits than its factorization.

35138302440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8907 (or 8903 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 35138302440 its reverse (4420383153), we get a palindrome (39558685593).

The spelling of 35138302440 in words is "thirty-five billion, one hundred thirty-eight million, three hundred two thousand, four hundred forty".