40244331340 has 24 divisors (see below), whose sum is σ = 85019169312. Its totient is φ = 16001337600.

The previous prime is 40244331227. The next prime is 40244331367. The reversal of 40244331340 is 4313344204.

It is a junction number, because it is equal to n+sod(n) for n = 40244331299 and 40244331308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6021261 + ... + 6027940.

It is an arithmetic number, because the mean of its divisors is an integer number (3542465388).

Almost surely, 2^40244331340 is an apocalyptic number.

It is an amenable number.

40244331340 is an abundant number, since it is smaller than the sum of its proper divisors (44774837972).

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

40244331340 is a wasteful number, since it uses less digits than its factorization.

40244331340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12049377 (or 12049375 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 40244331340 its reverse (4313344204), we get a palindrome (44557675544).

The spelling of 40244331340 in words is "forty billion, two hundred forty-four million, three hundred thirty-one thousand, three hundred forty".