37780097940 has 72 divisors (see below), whose sum is σ = 123414994248. Its totient is φ = 9299715840.

The previous prime is 37780097911. The next prime is 37780097941. The reversal of 37780097940 is 4979008773.

It can be written as a sum of positive squares in 4 ways, for example, as 4207597956 + 33572499984 = 64866^2 + 183228^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37780097941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8070331 + ... + 8075010.

Almost surely, 2^37780097940 is an apocalyptic number.

37780097940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

37780097940 is an abundant number, since it is smaller than the sum of its proper divisors (85634896308).

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

37780097940 is a wasteful number, since it uses less digits than its factorization.

37780097940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16145369 (or 16145364 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The spelling of 37780097940 in words is "thirty-seven billion, seven hundred eighty million, ninety-seven thousand, nine hundred forty".