40302454512 has 80 divisors (see below), whose sum is σ = 106614211968. Its totient is φ = 13112090880.

The previous prime is 40302454477. The next prime is 40302454537. The reversal of 40302454512 is 21545420304.

It is a self number, because there is not a number n which added to its sum of digits gives 40302454512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3137062 + ... + 3149882.

Almost surely, 2^40302454512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40302454512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53307105984).

40302454512 is an abundant number, since it is smaller than the sum of its proper divisors (66311757456).

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

40302454512 is a wasteful number, since it uses less digits than its factorization.

40302454512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14398 (or 14392 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 40302454512 its reverse (21545420304), we get a palindrome (61847874816).

It can be divided in two parts, 4030 and 2454512, that added together give a palindrome (2458542).

The spelling of 40302454512 in words is "forty billion, three hundred two million, four hundred fifty-four thousand, five hundred twelve".