40235021435 has 16 divisors (see below), whose sum is σ = 55343211456. Its totient is φ = 27507852288.

The previous prime is 40235021429. The next prime is 40235021441. The reversal of 40235021435 is 53412053204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40235021429) and next prime (40235021441).

It is not a de Polignac number, because 40235021435 - 2⁴ = 40235021419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40235021398 and 40235021407.

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, 1693802 + ... + 1717391.

It is an arithmetic number, because the mean of its divisors is an integer number (3458950716).

Almost surely, 2^40235021435 is an apocalyptic number.

40235021435 is a deficient number, since it is larger than the sum of its proper divisors (15108190021).

40235021435 is a wasteful number, since it uses less digits than its factorization.

40235021435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411542.

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

Adding to 40235021435 its reverse (53412053204), we get a palindrome (93647074639).

The spelling of 40235021435 in words is "forty billion, two hundred thirty-five million, twenty-one thousand, four hundred thirty-five".