40251420335 has 16 divisors (see below), whose sum is σ = 55212751872. Its totient is φ = 27595572000.

The previous prime is 40251420329. The next prime is 40251420343. The reversal of 40251420335 is 53302415204.

It is a happy number.

It is not a de Polignac number, because 40251420335 - 2²² = 40247226031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40251420298 and 40251420307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73160 + ... + 293010.

It is an arithmetic number, because the mean of its divisors is an integer number (3450796992).

Almost surely, 2^40251420335 is an apocalyptic number.

40251420335 is a deficient number, since it is larger than the sum of its proper divisors (14961331537).

40251420335 is a wasteful number, since it uses less digits than its factorization.

40251420335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225094.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 40251420335 its reverse (53302415204), we get a palindrome (93553835539).

The spelling of 40251420335 in words is "forty billion, two hundred fifty-one million, four hundred twenty thousand, three hundred thirty-five".