40036402380 has 48 divisors (see below), whose sum is σ = 120725154144. Its totient is φ = 9855114240.

The previous prime is 40036402339. The next prime is 40036402411. The reversal of 40036402380 is 8320463004.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 25663581 + ... + 25665140.

It is an arithmetic number, because the mean of its divisors is an integer number (2515107378).

Almost surely, 2^40036402380 is an apocalyptic number.

It is an amenable number.

40036402380 is an abundant number, since it is smaller than the sum of its proper divisors (80688751764).

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

40036402380 is a wasteful number, since it uses less digits than its factorization.

40036402380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51328746 (or 51328744 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 40036402380 its reverse (8320463004), we get a palindrome (48356865384).

The spelling of 40036402380 in words is "forty billion, thirty-six million, four hundred two thousand, three hundred eighty".